That's why you should turn on Android's Data Saver feature immediately. With Data Saver enabled, your Android handset will restrict the background use of cellular data, thereby saving you from any unpleasant surprises on your monthly mobile bill. Blocking background cellular data has its downsides.

For example, Data Saver will keep the Gmail from fetching new messages, Twitter won't notify you of mentions unless you manually reload your feed, and your favorite news app won't refresh its articles until you open it in the foreground. Luckily, you can pick and choose which apps can continue to use background mobile data while Data Saver is enabled.

On the Data Saver settings screen, tap Unrestricted data access , then flip the switches next to the apps that you want Data Saver to skip while it's blocking background mobile data use. Bonus tip: You'll need to turn Data Saver off before using your Android phone as a mobile hotspot. That in itself is not a big deal, but don't forget to turn Data Saver back on once you turn your handset's hotspot off. I've made that mistake myself, and I've got the data overage charges to prove it. Even if you've got the cash for an unlimited data plan, you could still end up with unexpected data charges if you've got this particular setting enabled.

If you don't like unpleasant surprises on your monthly wireless bill, make sure to turn off Android data roaming setting. Android's Data Roaming feature lets your phone use cellular data when you're "roaming" on another network usually because you've wandered out of your carrier's coverage area.

That's handy if constant cellular data access is your top priority, but it could also lead to hefty data charges if you're not careful. One of the beauties of Android is that you're not restricted to the Google Play store when it comes to apps. Indeed, you can download and install apps from any third-party app store or website—from the Amazon app store and DownloadAtoZ to Mobango and SlideMe—without having to root your device.

With the Unknown Sources setting turned off, you'll block any non-Google Play apps that try to install themselves on your Android phone. The problem with third-party app stores, however, is that they don't necessarily go to the lengths that Google does to ensure their apps are malware-free. A1 dry cleaners coupons. Holloway house restaurant coupons.